Title:
WELL REPAIRING METHOD
Document Type and Number:
Japanese Patent JPS63138029
Kind Code:
A
Abstract:
Method of reconditioning a water well, in particular a drinking- water or process-water well, in which a certain mortar is pressed only near to the damaged point through the already existing water-ingress slots (18) into a filtering-gravel layer surrounding the well tube against the static pressure of the penetrating ground water.
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Inventors:
KURAUSU TSUAUISURA
Application Number:
JP27946287A
Publication Date:
June 10, 1988
Filing Date:
November 06, 1987
Export Citation:
Assignee:
KURAUSU TSUAUISURA GMBH & CO K
International Classes:
E03B3/15; C04B28/06; C09K8/42; E21B33/124; E21B43/02; (IPC1-7): E03B3/15
Attorney, Agent or Firm:
Kazuo Sato (2 outside)